Find your fit

Ring sizing varies by brand and region. Use the guide below to find yours before ordering — or go with one of our adjustable styles and skip the guesswork entirely.

How to measure your ring size

String method — Wrap a thin strip of paper or a piece of string around the base of your finger. Mark where it overlaps, then measure the length. Match that number to the circumference column below.

Existing ring method — Place a ring you already own flat on a ruler and measure the inside diameter. Match to the diameter column below.

Measure at the end of the day when fingers are at their largest. If you're between sizes, size up.

Size chart

US Size	UK Size	EU Size	Diameter (mm)	Diameter (inches)	Circumference (mm)	Circumference (inches)
4	H	46	14.8	0.58	46.8	1.84
5	J½	49	15.7	0.62	49.3	1.94
6	L½	52	16.5	0.65	51.9	2.04
7	O	54	17.3	0.68	54.4	2.14
8	Q	57	18.2	0.72	57.0	2.24
9	R¾	59	19.0	0.75	59.5	2.34
10	T½	62	19.8	0.78	62.1	2.44
11	V½	64	20.6	0.81	64.6	2.54
12	Y	67	21.4	0.84	67.2	2.65

Adjustable rings

Several TJAURI rings are fully adjustable and fit US sizes 6–9. To adjust, gently open or close the band from the base — not the top — to keep the shape intact.

Still not sure?

Reach out and we'll help you find the right size before you order. Contact us here.